Mollusks

• The largest and most diverse animal phylum next to arthropods
• Belong to the phyla Mollusca
• Found in nearly every ecosystem on Earth
• Over 100,000 species identified
• Characteristics
  • The foot is a defining molluskan feature, used for locomotion, is muscular
  • A mollusks body is usually composed of a shell and fleshy part of its body
  • A unique feature to mollusks is the radula, which is used for feeding but is a rasping organ ne

    Examples a radula foundin mollusks

    ar the mouth that is modified for use in special feeding techniques. Mostly made of chitin. In some species, it is used for combat.
  • 
    

• Mantle cavity with a gill
• Intracellular Digestion

Do mollusks have a coelom, if so, what kind?
Yes, mollusks do have a coelom. They are ceolomates.

What are their feeding habits?
Mollusks have a tube-within-a-tube digestive system but some mollusks get foods in other ways.

What are some examples of mollusks?
Some examples of mollusks are snails, octopi, squid, and cuttlefish.

Octopus

Cuttlefish

Question:
What is the unique characteristic to mollusks?
A) A shell
B) Tube-within-a-tube system
C) Radula
D) Mantle Cavity